Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong thai » cong hai, hong thai, cong thanh
ho chiet » ho chieu, ho thiet, hoc thiet
cong bai » cuong bai, cong hai, cung bai
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - hanh tranh cua nhung ((cong bai) or (cong thai)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh tranh cua nhung ((cong bai) OR (cong thai)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh tranh cua nhung ((cong bai) or (cong thai)) toan cao*.